Fish bringing radiation to US?

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By ABC7

May 28, 2012 (CHICAGO)

A newly released study by the National Academy of Sciences focused on blue fin tuna, which have swum from Japan to California since the quake.

The recently migrated tuna carried ten times the amount of radioactivity than the same kind of tuna measured before the quake. But the authors note the level remains far lower than other forms of naturally-occurring radioactivity in fish and is not likely dangerous.